Page 2 - Hardware Configuration
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 2 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Hardware Configuration The exterior view of the cast aluminum explosion-proof enclosure is shown in Figure 1 below: Figu...
Page 4 - Figure 4. SmartSeries Amplifier-Side View
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 4 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Internal The SmartSeries amplifier contains the following components: • Chassis • Bias Power Supply sub-assembly fixed t...
Page 5 - Block Diagram
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 5 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Block Diagram Figure 5. Model 670-801 Block Diagram As shown on Figure 5, P1 is the 16-pin male connector located on the...
Page 6 - Interfaces; EGND
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 6 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Interfaces The unit interfaces to the multi-party cable and to the external loudspeaker, and auxiliary devices via P1, a...
Page 7 - Installation; Mounting; Figure 6. Shows mounting holes with dimensions.
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 7 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Installation Before installing SmartSeries equipment, design the system layout taking into consideration personnel safet...
Page 8 - UL Version; Feed the wiring through the conduit and into the enclosure.; EX Version; Follow the mounting instructions described above.
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 8 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 UL Version 1. Install the conduits for system and speaker cable and make connection to the enclosure. External conduits ...
Page 9 - Figure 7. Wiring Detail
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 9 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 N OTE : If acoustical feedback occurs between the speaker associated with the amplifier and the handset on a nearby stat...
Page 10 - Operation; Adjustments; CAUTION; Minimum Level
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 10 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Operation This unit amplifies page audio for broadcast over external speaker(s). Adjustments CAUTION It is necessary to...
Page 11 - Offset Level; VLC Level; Internal Adjustments; FSK Transmit Level
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 11 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Offset Level The Offset Level adjustment causes the speaker amplifier to maintain a set difference between the ambient ...
Page 12 - Maintenance; Troubleshooting
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 12 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Maintenance In order to verify and ensure explosion-proof integrity, perform regular preventive maintenance and inspect...
Page 13 - Software Configuration; The unit has the following versions of software:; FSK modem PCBA
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 13 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Software Configuration The unit has the following versions of software: PCBA Device Part Number Base-16 PCBA U2 50086-0...
Page 14 - Specifications; 6 k-ohms nominal with FSK modem
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 14 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Specifications Electrical Voltage .............................................................................. 90 to ...
Page 15 - Replacement Parts; Reference Material; Reference to Assembly/Model Drawings
Pub. 42004-615L2 Model 670-801-EX and 670-801-UL SmartSeries Amplifiers Page: 15 of 15 \\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-615l2.doc 6/97 Replacement Parts Model Number Description 751-801 Amplifier 12555-001 FSK PCBA Kit 12557-001 Base-16 PCBA Kit 12558-00...